The Aussie lads, aged 22 and 24, filmed themselves with a camcorder, while the Canadians took snaps with an iPhone as they paraded in their birthday suits, according to local police.

There are signs at the Inca site warning people that taking their clothes off there was a “crime against culture” and would lead to immediate expulsion from the area.

The foursome were detained by police for a number of hours for their nudey naughtiness.

Not so Machu any more, hey lads?

Image credit: Getty